| Customization: | Available |
|---|---|
| Standard: | Standard, Nonstandard, Customize |
| Material: | Graphite |
|
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The reason why woven packing can play a role in sealing is mainly the bearing effect and the labyrinth effect.
The bearing effect of braided packing means that a layer of liquid film is formed between the braided packing and the shaft due to the tension, so that the braided packing and the shaft form a similar relationship to the sliding bearing so that the braided packing and the shaft are not excessively rubbed. And wear occurs.
The labyrinth effect of braided packing means that the surface of the shaft is virtually always uneven, and the packing and the shaft can only partially fit and do not completely fit together. There is always an extreme between the braided packing and the shaft. With tiny gaps, these gaps form labyrinth belts in which the medium is throttled several times to achieve sealing.
| Name | ||||
|---|---|---|---|---|
| Glass fiber reinforced graphite packing | DP2134 | |||
| Glass +304 Stainless Steel Wire Reinforced Graphite Packing | External 304 stainless steel wire graphite braided packing | |||
| Glass +316 Stainless Steel Wire Reinforced Graphite Packing | External braided nickel alloy wire graphite braided packing | |||
| Glass Fiber + Inconel Wire Reinforced Graphite Packing | carbon fiber braided packing | |||
| Glass fiber + copper wire reinforced graphite packing | carbon fiber packing | |||
| External 304 stainless steel wire + glass fiber reinforced graphite braided packing | Aramid Fiber Packing | |||
| External 316 stainless steel wire + glass fiber reinforced graphite braided packing | PTFE braided packing | |||
| External braided nickel alloy wire + glass fiber reinforced graphite braided packing | graphite PTFE packing |
Flexible graphite braided packing should have a well-proportioned pattern, a smooth surface, no exposed threads, no particulate matter or foreign matter, and flexible graphite braided fillers
Molded press rings should have no delamination, flat interfaces, no looseness, and clean surfaces with no impurities.
Flexible graphite braided packing cross-sectional dimension limit deviation unit:mm
| Side length of cross section | L<6.0 | 6.0≤l≤15.0 | 6.0≤l≤15.0 | L≥25.0 |
| Limit deviation | ±0.4 | ±0.8 | ±1.2 | ±1.6 |
Flexible Graphite Braid Filler Molded Ring Size Limit Deviation Unit: mm
| Outer diameter D | Diameter limit deviation | OD deviation limit | thickness limit deviation |
|---|---|---|---|
| D≤25 | +0.25 0 | 0 -0.25 | ±0.50 |
| 25<D≤100 | +0.38 0 | 0 -0.38 | ±0.75 |
| 100<D≤200 | +0.60 0 | 0 -0.60 | ±1.0 |
| D>200 | +1.0 0 | 0 -1.0 | ±1.2 |
| Performance | Unit | RBT | RBTN | RBTW | RBTH |
| Apparent density | g/cm3 | 0.8-1.5 | 0.9~1.6 | 1.1~1.8 | 1.2~2.2 |
| Sulfur content* | ug/g | ≤1500 | ≤1500 | ≤1500 | - |
| Thermal weight loss | % | ≤17(450°C) | ≤20 (600°C) | ≤20 (600°C) | - |
| Compression ratio | % | ≥25 | ≥20 | ≥20 | ≥10 |
| Rebound rate | % | ≥10 | ≥12 | ≥15 | ≥20 |
| *When the sulfur content is measured, the reinforcing material should be removed before testing | |||||
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